We got a system that out of the box had one of the motors not working properly. It eventually stopped working all together and we noticed this component had burnt. See image attached. What could have caused this?

We got a system that out of the box had one of the motors not working properly. It eventually stopped working all together and we noticed this component had burnt. See image attached. What could have caused this?

@Alex-Kushleyev this is super helpful. Thank you.
Hello ModalAI,
As the title said, we are looking for a 3D model of the Stinger FPV chassis.